/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:26:14,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:26:14,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:26:14,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:26:14,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:26:14,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:26:14,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:26:14,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:26:14,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:26:14,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:26:14,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:26:14,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:26:14,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:26:14,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:26:14,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:26:14,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:26:14,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:26:14,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:26:14,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:26:14,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:26:14,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:26:14,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:26:14,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:26:14,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:26:14,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:26:14,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:26:14,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:26:14,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:26:14,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:26:14,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:26:14,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:26:14,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:26:14,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:26:14,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:26:14,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:26:14,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:26:14,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:26:14,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:26:14,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:26:14,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:26:14,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:26:14,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 11:26:14,257 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:26:14,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:26:14,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:26:14,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:26:14,260 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:26:14,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:26:14,260 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:26:14,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:26:14,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:26:14,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:26:14,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:26:14,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:26:14,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:26:14,263 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:26:14,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:26:14,263 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:26:14,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:26:14,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:26:14,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:26:14,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:26:14,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:26:14,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:26:14,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:26:14,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:26:14,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:26:14,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:26:14,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:26:14,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:26:14,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:26:14,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:26:14,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:26:14,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:26:14,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:26:14,570 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:26:14,571 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:26:14,571 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product30.cil.c [2020-10-13 11:26:14,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/19fb8de5a/ab1cbb63380b4143a610b6245cc507a5/FLAG0840248b0 [2020-10-13 11:26:15,281 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:26:15,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product30.cil.c [2020-10-13 11:26:15,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/19fb8de5a/ab1cbb63380b4143a610b6245cc507a5/FLAG0840248b0 [2020-10-13 11:26:15,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/19fb8de5a/ab1cbb63380b4143a610b6245cc507a5 [2020-10-13 11:26:15,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:26:15,452 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:26:15,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:26:15,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:26:15,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:26:15,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:26:15" (1/1) ... [2020-10-13 11:26:15,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6e054d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:15, skipping insertion in model container [2020-10-13 11:26:15,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:26:15" (1/1) ... [2020-10-13 11:26:15,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:26:15,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:26:16,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:26:16,225 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:26:16,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:26:16,455 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:26:16,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:16 WrapperNode [2020-10-13 11:26:16,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:26:16,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:26:16,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:26:16,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:26:16,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:16" (1/1) ... [2020-10-13 11:26:16,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:16" (1/1) ... [2020-10-13 11:26:16,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:16" (1/1) ... [2020-10-13 11:26:16,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:16" (1/1) ... [2020-10-13 11:26:16,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:16" (1/1) ... [2020-10-13 11:26:16,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:16" (1/1) ... [2020-10-13 11:26:16,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:16" (1/1) ... [2020-10-13 11:26:16,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:26:16,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:26:16,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:26:16,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:26:16,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:16" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:26:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:26:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:26:16,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:26:16,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:26:16,795 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:26:16,795 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:26:16,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:26:16,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:26:16,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:26:16,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:26:16,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:26:16,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:26:16,797 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:26:16,797 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:26:16,797 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:26:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:26:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:26:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:26:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:26:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:26:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:26:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:26:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:26:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:26:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:26:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:26:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:26:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:26:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:26:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:26:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:26:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:26:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:26:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:26:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:26:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:26:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:26:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:26:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:26:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:26:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:26:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:26:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:26:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:26:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:26:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:26:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:26:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:26:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:26:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:26:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:26:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-13 11:26:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:26:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:26:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:26:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:26:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:26:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:26:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:26:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:26:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:26:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:26:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-13 11:26:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:26:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:26:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:26:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-13 11:26:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:26:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:26:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:26:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2020-10-13 11:26:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:26:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2020-10-13 11:26:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:26:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:26:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-13 11:26:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-13 11:26:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-13 11:26:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-13 11:26:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:26:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:26:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:26:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:26:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:26:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:26:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:26:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:26:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:26:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:26:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:26:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:26:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:26:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:26:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:26:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:26:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:26:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:26:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:26:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:26:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:26:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:26:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:26:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:26:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:26:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:26:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:26:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:26:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:26:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:26:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:26:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:26:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:26:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:26:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:26:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:26:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:26:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:26:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:26:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:26:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:26:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:26:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:26:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:26:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:26:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:26:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:26:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:26:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:26:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:26:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:26:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-13 11:26:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-13 11:26:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:26:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:26:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:26:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:26:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:26:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:26:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:26:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:26:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:26:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-13 11:26:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:26:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:26:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:26:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:26:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:26:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:26:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:26:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:26:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:26:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:26:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:26:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-13 11:26:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:26:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:26:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:26:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:26:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:26:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-13 11:26:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:26:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:26:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-13 11:26:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:26:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:26:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:26:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2020-10-13 11:26:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-13 11:26:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2020-10-13 11:26:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:26:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:26:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:26:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:26:19,254 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:26:19,254 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:26:19,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:26:19 BoogieIcfgContainer [2020-10-13 11:26:19,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:26:19,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:26:19,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:26:19,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:26:19,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:26:15" (1/3) ... [2020-10-13 11:26:19,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32342261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:26:19, skipping insertion in model container [2020-10-13 11:26:19,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:16" (2/3) ... [2020-10-13 11:26:19,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32342261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:26:19, skipping insertion in model container [2020-10-13 11:26:19,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:26:19" (3/3) ... [2020-10-13 11:26:19,274 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product30.cil.c [2020-10-13 11:26:19,285 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:26:19,294 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:26:19,309 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:26:19,388 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:26:19,390 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:26:19,390 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:26:19,391 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:26:19,391 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:26:19,391 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:26:19,391 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:26:19,391 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:26:19,429 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states. [2020-10-13 11:26:19,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-13 11:26:19,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:26:19,452 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:26:19,453 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:26:19,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:26:19,460 INFO L82 PathProgramCache]: Analyzing trace with hash -2022384104, now seen corresponding path program 1 times [2020-10-13 11:26:19,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:26:19,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485811507] [2020-10-13 11:26:19,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:26:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:20,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:20,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:20,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:20,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:21,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:21,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:22,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:24,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:24,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 11:26:24,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:26:24,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-13 11:26:24,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:24,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:24,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:26:24,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:26:24,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:26:26,093 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:26:26,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:26,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:26,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:26,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:26,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-13 11:26:26,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:26,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:26,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:26,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:26,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:26:26,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:26:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:26,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:26,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:26,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:26,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:26,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:26,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:26,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:26,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:26,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:26:26,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:26,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:26,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:26,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:26,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:26,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:26,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:26,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:26:26,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:26:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:26,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:26,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:26,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:26,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:26:26,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:26,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:26,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:26,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:26,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-13 11:26:26,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:26:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:26,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:26,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:26,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:26,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:26:26,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:26,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:26,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:26,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:26,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:26,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:26:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:26,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:26,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:26,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:26:26,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:26,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:26,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:26,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:26,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:26,490 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:26:26,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:26:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:26,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:29,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:29,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:29,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:31,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 11:26:31,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:26:31,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 11:26:31,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:31,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:31,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:26:31,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:26:31,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:31,704 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:26:31,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:31,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 11:26:32,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:26:32,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 995 [2020-10-13 11:26:32,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:32,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:26:32,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:26:32,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:32,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:32,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:26:32,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:32,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:26:32,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:26:32,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:26:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:26:32,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:32,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 11:26:32,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:32,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:26:32,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:32,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:26:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:32,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:32,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:26:32,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:32,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:32,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:32,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:26:32,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:32,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:32,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:32,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:26:32,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:26:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:33,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:33,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:33,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 11:26:33,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:26:33,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 878 [2020-10-13 11:26:33,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:33,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:33,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-13 11:26:33,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:33,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:33,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:33,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:33,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:33,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:33,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:33,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:33,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:26:33,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:33,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:33,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:26:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:33,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:33,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:33,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:33,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:26:33,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:33,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 11:26:33,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:33,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:33,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:33,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:33,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:33,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:26:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:33,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:33,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:33,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:33,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:33,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:26:33,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:33,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:33,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:33,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:33,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:33,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:33,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:33,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:33,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:33,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:33,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:33,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:33,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:33,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:33,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:33,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:33,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 11:26:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:33,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:33,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:33,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:33,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:26:33,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:33,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 11:26:33,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:33,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:33,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 11:26:33,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:33,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:33,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:33,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:33,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:33,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:26:33,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:33,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:26:33,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:33,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:33,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:33,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:33,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:33,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:33,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:33,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:33,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:33,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:33,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:33,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:33,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:33,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:33,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:33,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:33,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:26:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:33,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:33,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:33,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:26:33,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:33,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:26:33,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:33,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:33,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:33,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:33,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:33,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:33,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:33,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:33,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:33,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:33,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:33,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:33,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:33,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:33,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:33,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:34,144 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:26:34,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [485811507] [2020-10-13 11:26:34,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:26:34,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:26:34,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246958852] [2020-10-13 11:26:34,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:26:34,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:26:34,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:26:34,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:26:34,171 INFO L87 Difference]: Start difference. First operand 806 states. Second operand 9 states. [2020-10-13 11:26:36,065 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:26:36,826 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:26:50,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:26:50,227 INFO L93 Difference]: Finished difference Result 1555 states and 2602 transitions. [2020-10-13 11:26:50,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:26:50,231 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2020-10-13 11:26:50,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:26:50,274 INFO L225 Difference]: With dead ends: 1555 [2020-10-13 11:26:50,274 INFO L226 Difference]: Without dead ends: 915 [2020-10-13 11:26:50,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:26:50,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-10-13 11:26:50,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 645. [2020-10-13 11:26:50,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-10-13 11:26:50,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1025 transitions. [2020-10-13 11:26:50,568 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1025 transitions. Word has length 116 [2020-10-13 11:26:50,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:26:50,569 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 1025 transitions. [2020-10-13 11:26:50,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:26:50,569 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1025 transitions. [2020-10-13 11:26:50,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 11:26:50,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:26:50,576 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:26:50,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:26:50,577 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:26:50,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:26:50,577 INFO L82 PathProgramCache]: Analyzing trace with hash 2025770863, now seen corresponding path program 1 times [2020-10-13 11:26:50,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:26:50,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890933662] [2020-10-13 11:26:50,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:26:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:50,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:50,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:50,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:51,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:51,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:51,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:52,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:52,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:55,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:55,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 11:26:55,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:26:55,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-13 11:26:55,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:55,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:55,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:26:55,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:26:55,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:56,520 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:26:56,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:56,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:56,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:56,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:56,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:56,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 11:26:56,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:56,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:56,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:26:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:56,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:56,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:56,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:56,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:56,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:56,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:56,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:56,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:56,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:56,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:56,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:56,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:56,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:56,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:56,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:56,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:56,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:56,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:56,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:56,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:56,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:56,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:26:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:56,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:56,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:56,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:56,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:56,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:56,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:56,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:56,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:56,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:56,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:56,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:26:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:56,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:56,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:56,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:56,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:56,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:56,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:56,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:56,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:56,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:56,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:56,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:26:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:56,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:56,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:56,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:56,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:56,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:56,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:56,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:56,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:56,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:56,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:56,821 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:26:56,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:26:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:56,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:56,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:56,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:56,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:57,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:57,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:57,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:01,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 11:27:01,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:27:01,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:27:01,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:01,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:01,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-13 11:27:01,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:27:01,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:01,976 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:27:01,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:01,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:02,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:27:02,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:27:02,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 696 [2020-10-13 11:27:02,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:02,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:02,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:02,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:02,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:02,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:02,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:02,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:27:02,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:02,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:27:02,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:02,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:02,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:02,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:02,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:02,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:27:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:02,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:02,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:27:02,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:02,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:27:02,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:02,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:02,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:02,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:02,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:02,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:27:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:02,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:02,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:02,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:02,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:27:02,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:02,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:02,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:02,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:27:02,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:02,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:02,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:02,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:02,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:02,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:02,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:02,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:02,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 11:27:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:02,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:03,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:27:03,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:27:03,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 608 [2020-10-13 11:27:03,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:03,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:03,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:27:03,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:27:03,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:03,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:03,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:03,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:27:03,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:03,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:27:03,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:03,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:03,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:03,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:03,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:03,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:27:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:03,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:03,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:27:03,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:03,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 11:27:03,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:03,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:03,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:27:03,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 11:27:03,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:03,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:27:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:03,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:03,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:03,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:03,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:27:03,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:03,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:27:03,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:03,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:27:03,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:03,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:03,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:03,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:03,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:03,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:03,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:03,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:03,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:03,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:03,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:27:03,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 11:27:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:03,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:03,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:27:03,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:03,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:27:03,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:03,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:03,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:27:03,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:03,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:03,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:03,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:03,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:27:03,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:03,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:27:03,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:03,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:03,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:03,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:03,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:03,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:03,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:03,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:03,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:03,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:27:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:03,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:03,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:27:03,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:03,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:03,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:03,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:03,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:03,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:03,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:03,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:03,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:03,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:03,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:03,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:03,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:03,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:03,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:03,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:03,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-13 11:27:03,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890933662] [2020-10-13 11:27:03,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:27:03,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:27:03,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080332528] [2020-10-13 11:27:03,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:27:03,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:27:03,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:27:03,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:27:03,721 INFO L87 Difference]: Start difference. First operand 645 states and 1025 transitions. Second operand 9 states. [2020-10-13 11:27:05,586 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:27:18,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:27:18,423 INFO L93 Difference]: Finished difference Result 1535 states and 2557 transitions. [2020-10-13 11:27:18,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 11:27:18,424 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 120 [2020-10-13 11:27:18,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:27:18,434 INFO L225 Difference]: With dead ends: 1535 [2020-10-13 11:27:18,435 INFO L226 Difference]: Without dead ends: 915 [2020-10-13 11:27:18,440 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:27:18,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-10-13 11:27:18,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 645. [2020-10-13 11:27:18,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-10-13 11:27:18,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1020 transitions. [2020-10-13 11:27:18,602 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1020 transitions. Word has length 120 [2020-10-13 11:27:18,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:27:18,603 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 1020 transitions. [2020-10-13 11:27:18,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:27:18,603 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1020 transitions. [2020-10-13 11:27:18,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 11:27:18,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:27:18,607 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:27:18,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:27:18,607 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:27:18,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:27:18,607 INFO L82 PathProgramCache]: Analyzing trace with hash 880641825, now seen corresponding path program 1 times [2020-10-13 11:27:18,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:27:18,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1164280472] [2020-10-13 11:27:18,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:27:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:18,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:18,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:18,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:18,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:18,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:19,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:19,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:20,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:23,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:23,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 11:27:23,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:27:23,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-13 11:27:23,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:23,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:23,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:27:23,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:27:23,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:24,508 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:27:24,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:24,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:24,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:24,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:24,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:24,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 11:27:24,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:24,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:24,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:24,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:24,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:24,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:27:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:24,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:24,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:24,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:24,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:24,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:24,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:24,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:24,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:24,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:24,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:24,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:24,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:24,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:24,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:24,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:24,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:24,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:24,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:24,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:24,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:24,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:24,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:27:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:24,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:24,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:24,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:24,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:24,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:24,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:24,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:24,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:24,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:24,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:27:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:24,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:24,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:24,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:24,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:24,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:24,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:24,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:24,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:24,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:27:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:24,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:24,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:24,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:24,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:24,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:24,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:24,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:24,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:24,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:24,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:24,800 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:27:24,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:27:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:24,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:24,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:24,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:24,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:25,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:25,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:25,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 11:27:29,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:27:29,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:27:29,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:27:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:27:29,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,963 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:27:29,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:29,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:30,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:30,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:30,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:30,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:30,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 11:27:30,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:27:30,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 746 [2020-10-13 11:27:30,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:30,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:30,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:27:30,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:27:30,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:30,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:30,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:30,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:30,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:27:30,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:30,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:30,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:30,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:30,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:27:30,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:27:30,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:30,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:27:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:30,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:30,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:30,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:30,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:27:30,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:30,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:27:30,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 11:27:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:30,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:30,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:27:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:30,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:30,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:30,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:30,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:30,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:27:30,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:30,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:30,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:30,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:30,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:30,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:30,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:30,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:30,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:30,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:30,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:30,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:30,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:30,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:30,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:30,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:30,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 11:27:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:30,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:30,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:30,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:30,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:30,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:31,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:31,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:31,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 11:27:31,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:27:31,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 477 [2020-10-13 11:27:31,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:31,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:31,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-13 11:27:31,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:31,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:31,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:31,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:31,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:31,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:31,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:27:31,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:31,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:31,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:31,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:31,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:31,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:31,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:31,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:27:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:31,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:31,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:31,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:31,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:27:31,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:31,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:27:31,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:31,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:31,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:31,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:31,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:31,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:27:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:31,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:31,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:31,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:31,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:31,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:31,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:31,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:31,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:31,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:31,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:31,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:31,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:31,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:31,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:31,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:31,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:31,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:31,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:31,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:31,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:31,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:31,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:27:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:31,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:31,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:31,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:27:31,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:31,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:27:31,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:31,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:31,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:27:31,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:31,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:31,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:31,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:31,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:31,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:27:31,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:31,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:27:31,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:31,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:31,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:31,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:31,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:31,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:31,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:31,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:31,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:31,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:31,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:31,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:31,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:31,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:31,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:31,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:31,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:27:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:31,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:31,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:31,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:27:31,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:31,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:31,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:31,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:31,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:31,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:31,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:31,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:31,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:31,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:31,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:31,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:31,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:31,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:31,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:31,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:31,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:31,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:31,541 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:27:31,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1164280472] [2020-10-13 11:27:31,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:27:31,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:27:31,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225679267] [2020-10-13 11:27:31,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:27:31,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:27:31,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:27:31,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:27:31,543 INFO L87 Difference]: Start difference. First operand 645 states and 1020 transitions. Second operand 9 states. [2020-10-13 11:27:33,297 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:27:34,036 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:27:47,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:27:47,446 INFO L93 Difference]: Finished difference Result 1532 states and 2540 transitions. [2020-10-13 11:27:47,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:27:47,447 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 122 [2020-10-13 11:27:47,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:27:47,459 INFO L225 Difference]: With dead ends: 1532 [2020-10-13 11:27:47,459 INFO L226 Difference]: Without dead ends: 915 [2020-10-13 11:27:47,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:27:47,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-10-13 11:27:47,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 645. [2020-10-13 11:27:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-10-13 11:27:47,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1019 transitions. [2020-10-13 11:27:47,617 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1019 transitions. Word has length 122 [2020-10-13 11:27:47,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:27:47,617 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 1019 transitions. [2020-10-13 11:27:47,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:27:47,617 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1019 transitions. [2020-10-13 11:27:47,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 11:27:47,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:27:47,619 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:27:47,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:27:47,620 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:27:47,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:27:47,620 INFO L82 PathProgramCache]: Analyzing trace with hash -631282207, now seen corresponding path program 1 times [2020-10-13 11:27:47,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:27:47,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1714606115] [2020-10-13 11:27:47,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:27:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:47,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:47,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:47,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:47,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:47,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:48,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:48,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:52,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:52,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 11:27:52,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:27:52,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 11:27:52,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:27:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:27:52,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:53,495 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:27:53,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:53,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:53,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:53,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:53,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 11:27:53,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:53,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:53,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:27:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:53,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:53,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:53,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:53,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:53,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:53,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:53,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:53,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:53,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:53,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:53,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:53,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:53,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:53,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:53,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:53,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:53,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:53,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:53,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:53,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:53,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:53,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:27:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:53,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:53,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:53,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:53,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:53,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:53,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:53,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:53,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:27:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:53,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:53,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:53,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:53,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:53,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:53,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:53,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:53,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:53,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:53,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:53,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:27:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:53,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:53,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:53,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:53,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:53,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:53,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:53,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:53,779 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:27:53,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:27:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:53,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:53,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:53,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:53,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:53,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:53,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:54,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:54,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:54,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:58,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:58,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 11:27:58,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:27:58,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 11:27:58,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:58,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:58,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:27:58,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:27:58,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:58,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:58,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:58,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:58,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:58,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:58,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:59,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:27:59,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:27:59,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 368 [2020-10-13 11:27:59,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:59,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:59,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:27:59,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:27:59,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:59,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:59,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:59,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:27:59,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:59,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:59,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:59,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:59,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:27:59,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:27:59,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:59,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:59,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:59,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:27:59,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:59,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:27:59,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:59,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:59,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 11:27:59,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:59,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:59,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:27:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:59,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:59,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:59,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:59,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:59,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:59,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:59,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:59,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:59,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:59,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:59,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:59,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:59,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:59,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:59,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:59,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:59,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 11:27:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:59,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:59,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:27:59,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:27:59,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-13 11:27:59,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 11:27:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:59,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:59,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:59,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:59,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:27:59,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:59,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:59,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:59,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:59,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:59,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:59,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:59,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:59,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:59,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:27:59,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:59,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:27:59,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:59,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:59,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:59,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:59,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:59,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:27:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:59,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:59,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:59,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:59,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:59,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:59,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:59,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:59,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:59,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:59,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:59,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:59,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:59,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:59,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:59,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:59,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:59,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 11:27:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:59,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:59,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:27:59,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:59,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:27:59,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:59,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:59,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:27:59,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:59,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:59,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:59,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:59,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:27:59,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:59,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:27:59,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:59,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:59,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:59,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:59,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:59,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:59,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:59,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:59,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:59,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:59,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:59,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:59,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:59,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:59,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:59,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:27:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:59,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:59,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:27:59,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:59,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:59,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:59,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:59,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:59,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:59,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:59,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:59,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:59,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:59,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:59,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:59,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:59,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:59,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:59,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:59,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:59,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:59,826 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:27:59,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1714606115] [2020-10-13 11:27:59,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:27:59,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:27:59,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288941943] [2020-10-13 11:27:59,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:27:59,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:27:59,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:27:59,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:27:59,829 INFO L87 Difference]: Start difference. First operand 645 states and 1019 transitions. Second operand 9 states. [2020-10-13 11:28:01,546 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:28:02,286 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:28:03,906 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:28:17,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:28:17,294 INFO L93 Difference]: Finished difference Result 1539 states and 2544 transitions. [2020-10-13 11:28:17,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 11:28:17,295 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 124 [2020-10-13 11:28:17,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:28:17,307 INFO L225 Difference]: With dead ends: 1539 [2020-10-13 11:28:17,307 INFO L226 Difference]: Without dead ends: 924 [2020-10-13 11:28:17,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:28:17,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-10-13 11:28:17,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 654. [2020-10-13 11:28:17,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 654 states. [2020-10-13 11:28:17,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 1031 transitions. [2020-10-13 11:28:17,525 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 1031 transitions. Word has length 124 [2020-10-13 11:28:17,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:28:17,525 INFO L479 AbstractCegarLoop]: Abstraction has 654 states and 1031 transitions. [2020-10-13 11:28:17,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:28:17,526 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1031 transitions. [2020-10-13 11:28:17,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-13 11:28:17,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:28:17,531 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:28:17,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:28:17,531 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:28:17,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:28:17,531 INFO L82 PathProgramCache]: Analyzing trace with hash 607637253, now seen corresponding path program 1 times [2020-10-13 11:28:17,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:28:17,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2073344689] [2020-10-13 11:28:17,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:28:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:17,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:17,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:17,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:17,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:18,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:18,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:20,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:20,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:20,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:21,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:22,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:22,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-13 11:28:22,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:28:22,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-13 11:28:22,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:22,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:22,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 11:28:22,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:28:22,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:23,409 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:28:23,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:23,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:23,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:23,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:23,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:23,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 11:28:23,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:23,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:23,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:23,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:23,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:23,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:28:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:23,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:23,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:23,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:23,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:23,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:23,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:23,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:23,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:23,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:23,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:23,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:28:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:23,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:23,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:23,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:23,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:23,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:23,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:23,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:23,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:28:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:23,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:23,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:23,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:23,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:23,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:23,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:23,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:23,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:28:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:23,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:23,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:23,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:23,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:23,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:23,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:23,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:23,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:23,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:23,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:23,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:28:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:23,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:23,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:23,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:23,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:23,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:23,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:23,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:23,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:23,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:23,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:23,697 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:28:23,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:28:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:23,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:23,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:23,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:23,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:23,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:23,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:24,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:28,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:28,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 11:28:28,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:28:28,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 11:28:28,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:28,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:28,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-13 11:28:28,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:28:28,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:28,860 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:28:28,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:28,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:28,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:28,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:28,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:28,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:28,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:29,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:29,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:28:29,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:28:29,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 600 [2020-10-13 11:28:29,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:29,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:29,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:29,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:29,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:29,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:29,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:29,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:29,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:29,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:28:29,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:28:29,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:28:29,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:29,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:29,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:29,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:29,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:29,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:28:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:29,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:29,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:29,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:29,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:28:29,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:28:29,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 11:28:29,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:29,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:29,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:29,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:29,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:29,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:28:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:29,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:29,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:29,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:28:29,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:29,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:29,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:29,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:29,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:29,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:29,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:29,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:29,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:29,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:29,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:29,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:29,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:29,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:29,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:29,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:28:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:29,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:29,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:29,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:29,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:29,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:29,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:28:29,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:28:29,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329 [2020-10-13 11:28:29,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:29,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:29,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:28:29,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:28:29,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:29,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:29,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:29,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:29,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:28:29,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:29,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:29,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:29,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:29,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:29,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:29,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:29,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:28:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:29,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:29,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:29,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:28:29,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:29,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:28:29,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:29,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:29,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:28:29,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 11:28:29,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:29,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:28:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:29,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:29,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:29,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:28:29,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:29,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:28:29,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:29,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:28:29,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:28:29,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:29,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:29,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:29,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:29,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:29,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:29,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:29,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:29,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:29,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:29,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:29,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:29,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 11:28:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:29,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:30,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:30,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:28:30,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:30,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:28:30,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:30,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:30,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:28:30,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:30,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:30,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:30,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:30,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:30,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:28:30,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:30,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:28:30,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:30,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:30,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:30,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:30,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:30,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:30,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:30,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:30,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:30,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:30,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:30,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:30,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:30,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:30,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:28:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:30,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:30,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:30,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:28:30,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:30,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:30,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:30,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:30,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:30,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:30,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:30,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:30,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:30,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:30,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:30,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:30,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:30,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:30,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:30,110 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:28:30,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2073344689] [2020-10-13 11:28:30,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:28:30,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:28:30,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538111280] [2020-10-13 11:28:30,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:28:30,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:28:30,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:28:30,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:28:30,112 INFO L87 Difference]: Start difference. First operand 654 states and 1031 transitions. Second operand 9 states. [2020-10-13 11:28:31,952 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:28:46,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:28:46,536 INFO L93 Difference]: Finished difference Result 1544 states and 2557 transitions. [2020-10-13 11:28:46,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 11:28:46,537 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 125 [2020-10-13 11:28:46,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:28:46,544 INFO L225 Difference]: With dead ends: 1544 [2020-10-13 11:28:46,544 INFO L226 Difference]: Without dead ends: 924 [2020-10-13 11:28:46,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:28:46,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-10-13 11:28:46,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 654. [2020-10-13 11:28:46,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 654 states. [2020-10-13 11:28:46,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 1026 transitions. [2020-10-13 11:28:46,682 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 1026 transitions. Word has length 125 [2020-10-13 11:28:46,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:28:46,682 INFO L479 AbstractCegarLoop]: Abstraction has 654 states and 1026 transitions. [2020-10-13 11:28:46,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:28:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1026 transitions. [2020-10-13 11:28:46,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 11:28:46,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:28:46,685 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:28:46,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:28:46,685 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:28:46,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:28:46,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1392642317, now seen corresponding path program 1 times [2020-10-13 11:28:46,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:28:46,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857302281] [2020-10-13 11:28:46,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:28:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:46,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:46,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:46,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:46,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:47,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:48,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:51,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:51,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-13 11:28:51,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:28:51,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-13 11:28:51,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:51,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:51,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 11:28:51,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:28:51,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:52,529 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:28:52,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:52,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:52,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:52,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:52,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 11:28:52,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:52,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:52,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:52,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:52,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:52,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:28:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:52,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:52,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:52,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:52,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:52,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:52,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:52,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:52,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:52,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:52,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:28:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:52,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:52,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:52,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:52,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:52,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:52,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:52,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:52,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:52,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:52,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:28:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:52,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:52,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:52,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:52,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:52,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:52,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:52,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:52,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:52,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:28:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:52,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:52,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:52,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:52,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:52,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:52,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:52,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:52,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:52,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:52,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:28:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:52,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:52,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:52,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:52,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:52,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:52,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:52,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:52,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:52,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:52,845 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:28:52,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:28:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:52,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:53,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:53,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:53,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:57,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:57,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 11:28:57,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:28:57,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:28:57,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 11:28:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:28:57,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:57,996 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:28:57,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:28:58,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:28:58,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 465 [2020-10-13 11:28:58,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:58,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:28:58,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:28:58,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:28:58,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:28:58,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:28:58,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:58,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:58,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:58,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:28:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:28:58,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:58,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:28:58,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:28:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 11:28:58,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:28:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:28:58,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:58,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:28:58,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:28:58,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:58,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:28:58,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:58,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:58,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:58,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:58,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:58,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:58,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:28:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:28:58,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:28:58,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-10-13 11:28:58,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:28:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:58,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:28:58,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:58,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:58,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:58,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:28:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:28:58,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:58,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:28:58,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:58,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:58,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:58,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:28:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:28:58,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:58,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:58,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:58,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:58,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:58,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:58,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:58,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:58,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:58,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:58,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:58,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 11:28:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:28:58,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:58,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:28:58,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:58,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:28:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:58,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:28:58,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:58,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:28:58,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:58,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:58,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:58,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:58,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:58,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:58,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:58,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:28:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:28:58,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:58,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:58,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:58,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:58,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:58,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:58,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:58,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:58,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:58,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:58,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:58,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,981 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:28:58,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857302281] [2020-10-13 11:28:58,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:28:58,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:28:58,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660557638] [2020-10-13 11:28:58,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:28:58,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:28:58,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:28:58,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:28:58,984 INFO L87 Difference]: Start difference. First operand 654 states and 1026 transitions. Second operand 9 states. [2020-10-13 11:29:00,761 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:29:02,608 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:29:03,369 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:29:16,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:29:16,986 INFO L93 Difference]: Finished difference Result 1583 states and 2606 transitions. [2020-10-13 11:29:16,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 11:29:16,987 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 127 [2020-10-13 11:29:16,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:29:16,995 INFO L225 Difference]: With dead ends: 1583 [2020-10-13 11:29:16,995 INFO L226 Difference]: Without dead ends: 970 [2020-10-13 11:29:17,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:29:17,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2020-10-13 11:29:17,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 693. [2020-10-13 11:29:17,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-10-13 11:29:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 1090 transitions. [2020-10-13 11:29:17,154 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 1090 transitions. Word has length 127 [2020-10-13 11:29:17,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:29:17,155 INFO L479 AbstractCegarLoop]: Abstraction has 693 states and 1090 transitions. [2020-10-13 11:29:17,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:29:17,155 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1090 transitions. [2020-10-13 11:29:17,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-13 11:29:17,157 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:29:17,158 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:29:17,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:29:17,158 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:29:17,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:29:17,158 INFO L82 PathProgramCache]: Analyzing trace with hash 764759267, now seen corresponding path program 1 times [2020-10-13 11:29:17,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:29:17,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [644646112] [2020-10-13 11:29:17,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:29:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:17,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:17,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:17,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:17,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:17,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:18,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:19,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:20,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:20,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:22,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:22,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-13 11:29:22,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:29:22,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:29:22,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:29:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:29:22,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,001 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:29:23,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:29:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:23,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:29:23,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:23,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:29:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:23,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:23,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:29:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:23,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:23,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:23,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:29:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:23,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:23,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:29:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:23,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:23,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:23,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:29:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:23,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:23,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:23,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,269 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:29:23,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:29:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:28,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 11:29:28,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:29:28,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:29:28,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:28,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:28,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:29:28,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:29:28,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:28,415 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:29:28,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:29:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:28,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:28,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 11:29:28,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:29:28,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 359 [2020-10-13 11:29:28,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:28,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:28,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:29:28,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:29:28,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:28,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:28,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:28,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:29:28,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:28,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:28,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:28,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:28,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:29:28,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:29:28,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:28,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:29:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:28,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:28,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 11:29:28,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:29:28,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:29:28,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:28,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-13 11:29:28,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:28,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:28,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:29:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:28,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:28,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:29:28,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:28,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:28,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:28,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:28,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:28,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:28,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:28,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:28,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:28,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:28,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:28,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:28,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:28,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:28,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:28,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:28,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:28,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 11:29:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:28,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:29,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:29:29,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:29:29,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-13 11:29:29,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:29,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:29,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:29:29,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:29,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:29,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:29,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:29,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:29:29,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:29,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:29,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:29,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:29,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:29,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:29,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:29,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:29:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:29,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:29,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:29:29,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:29,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:29:29,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:29,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:29,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:29:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:29,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:29,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:29:29,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:29,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:29,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:29,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:29,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:29,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:29,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:29,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:29,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:29,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:29,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:29,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:29,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:29,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:29,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 11:29:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:29,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:29,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:29:29,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:29,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:29:29,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:29,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:29,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:29:29,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:29,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:29,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:29,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:29,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:29:29,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:29,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:29:29,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:29,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:29,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:29,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:29,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:29,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:29,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:29,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:29,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:29,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:29,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:29,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:29,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:29,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:29,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:29,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:29:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:29,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:29,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:29:29,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:29,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:29,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:29,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:29,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:29,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:29,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:29,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:29,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:29,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:29,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:29,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:29,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:29,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:29,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:29,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:29,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:29,294 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:29:29,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [644646112] [2020-10-13 11:29:29,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:29:29,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:29:29,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663275028] [2020-10-13 11:29:29,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:29:29,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:29:29,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:29:29,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:29:29,296 INFO L87 Difference]: Start difference. First operand 693 states and 1090 transitions. Second operand 9 states. [2020-10-13 11:29:30,957 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:29:31,725 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:29:33,285 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:29:47,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:29:47,186 INFO L93 Difference]: Finished difference Result 1626 states and 2672 transitions. [2020-10-13 11:29:47,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 11:29:47,188 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 128 [2020-10-13 11:29:47,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:29:47,196 INFO L225 Difference]: With dead ends: 1626 [2020-10-13 11:29:47,196 INFO L226 Difference]: Without dead ends: 970 [2020-10-13 11:29:47,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:29:47,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2020-10-13 11:29:47,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 693. [2020-10-13 11:29:47,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-10-13 11:29:47,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 1089 transitions. [2020-10-13 11:29:47,409 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 1089 transitions. Word has length 128 [2020-10-13 11:29:47,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:29:47,409 INFO L479 AbstractCegarLoop]: Abstraction has 693 states and 1089 transitions. [2020-10-13 11:29:47,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:29:47,410 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1089 transitions. [2020-10-13 11:29:47,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-13 11:29:47,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:29:47,412 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:29:47,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:29:47,412 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:29:47,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:29:47,413 INFO L82 PathProgramCache]: Analyzing trace with hash -737324413, now seen corresponding path program 1 times [2020-10-13 11:29:47,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:29:47,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [901443383] [2020-10-13 11:29:47,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:29:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:47,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:47,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:47,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:47,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:48,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:48,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:52,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:52,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-13 11:29:52,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:29:52,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-13 11:29:52,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:52,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:52,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-13 11:29:52,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:29:52,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:53,281 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:29:53,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:29:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:53,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:53,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:53,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:53,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:53,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:29:53,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:53,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:53,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:53,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:53,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:53,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:29:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:53,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:53,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:53,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:53,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:53,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:53,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:53,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:53,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:53,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:53,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:53,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:29:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:53,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:53,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:53,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:53,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:53,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:53,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:53,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:53,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:53,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:53,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:53,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:29:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:53,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:53,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:53,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:53,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:53,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:53,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:53,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:53,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:53,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:53,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:53,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:29:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:53,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:53,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:53,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:53,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:53,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:53,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:53,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:53,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:29:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:53,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:53,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:53,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:53,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:53,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:53,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:53,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:53,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:53,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:53,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:53,559 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:29:53,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:29:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:53,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:53,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:53,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:53,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:53,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:58,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:58,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 11:29:58,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:29:58,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 11:29:58,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:29:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:29:58,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:58,700 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:29:58,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:29:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:58,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:58,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:58,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:58,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:29:58,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:29:58,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 11:29:58,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:58,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:58,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:29:58,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:29:58,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:58,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:58,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:58,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:58,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 11:29:58,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:58,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:58,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:58,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:58,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:29:58,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:29:58,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:58,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:29:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:58,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:58,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:58,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:58,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 11:29:58,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:29:58,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:29:58,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:58,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:58,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-13 11:29:58,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:58,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:58,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:29:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:58,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:58,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:58,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:29:58,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:58,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:58,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:58,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:58,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:58,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:58,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:58,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:58,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:58,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:58,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:58,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:58,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:58,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:58,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:58,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:58,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:58,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:58,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 11:29:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:58,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:58,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:58,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:58,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:59,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:59,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:29:59,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:29:59,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-13 11:29:59,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:59,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:59,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:29:59,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:59,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:59,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:59,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:59,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:59,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:29:59,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:59,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:59,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:59,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:59,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:59,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:59,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:59,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:29:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:59,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:59,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:59,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:29:59,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:59,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:29:59,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:59,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:59,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:59,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:59,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:59,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:29:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:59,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:59,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:59,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:29:59,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:59,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:59,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:59,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:59,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:59,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:59,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:59,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:59,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:59,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:59,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:59,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:59,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:59,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:59,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:59,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:59,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:59,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:59,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 11:29:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:59,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:59,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:59,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:29:59,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:59,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:29:59,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:59,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:59,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:29:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:59,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:59,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:59,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:59,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:59,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:29:59,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:59,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:29:59,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:59,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:59,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:59,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:59,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:59,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:59,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:59,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:59,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:59,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:59,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:59,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:59,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:59,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:59,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:59,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:59,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:29:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:59,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:59,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:59,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:29:59,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:59,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:59,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:59,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:59,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:59,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:59,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:59,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:59,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:59,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:59,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:59,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:59,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:59,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:59,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:59,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:59,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:59,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:29:59,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [901443383] [2020-10-13 11:29:59,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:29:59,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:29:59,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188596981] [2020-10-13 11:29:59,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:29:59,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:29:59,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:29:59,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:29:59,285 INFO L87 Difference]: Start difference. First operand 693 states and 1089 transitions. Second operand 9 states. [2020-10-13 11:30:00,801 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:30:01,578 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:30:03,360 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 400